A new dawn of American leadership is at hand. . . Tonight we proved once more that the true strength of our nation comes not from our the might of our arms or the scale of our wealth, but from the enduring power of our ideals: democracy, liberty, opportunity, and...

Nuclear weapons pose the ultimate test of presidential judgment. Once launched, these weapons change world history forever.

More than 70 percent of Americans want to get rid of all nuclear weapons under a verifiable, internationally-agreed regime, according to a major poll last year. But even under the best...

It's enough to give you radioactive indigestion. While the United States deals with a potential economic meltdown, North Korea has decided to restart plutonium production at its five-megawatt nuclear reactor.

That's the word from the world's nuclear watchdog, the International Atomic Energy Agency. This was how Melissa Fleming,...

Google boss Eric Schmidt has identified what he believes are the world's two biggest challenges. And neither of them are named Microsoft.

In an interview on NPR's "All Things Considered" last week, he said:

"If you assume that the two largest issues in the world are the possibility of...

We must eliminate nuclear weapons before they eliminate us.

The sentiments of the Japanese people are clear on this matter. No country has suffered as Japan has from weapons of mass destruction. And no where are people as united in the conviction that nuclear weapons must never be used...

How can we store the sun's energy and use it later when the sun isn't shining? That has been one of the biggest challenges facing the widespread implementation of solar power.

Now it appears that an answer may come from trying to duplicate what plants do.

A Masschusetts Institute...

Senator Barack Obama spoke these words in Berlin:

This is the moment when we must renew the goal of a world without nuclear weapons. The two superpowers that faced each other across the wall of this city came too close too often to destroying all we have built and all...

The XIVth Dalai Lama has sent a message to the next occupant of the White House by signing an appeal that could fundamentally change the prospects for eliminating nuclear weapons world-wide.

It's called US Leadership for a Nuclear Weapons-Free World --...

"Nuclear power is among the surest ways to gain a clean, abundant, and stable energy supply." Those words came from John McCain' this week in Houston as he laid out his energy policy.

This week in Detroit, Barack Obama talked about making nuclear power "safe,"...

When we think about global issues like peace, climate change and hunger, sometimes it's easy to feel intimidated by the enormity of the task.

You know the chorus of futility: What can one person do? Why would the president listen to me? It's the way of the world. Nothing can...

Forget Iran. Forget North Korea. We may turn out to be our own worst nuclear enemy.

Defense Threat Reduction Agency (DTRA) Memo #1: Do not let security dudes play video games on their cell phones while guarding nuclear weapons.

Last August, airmen of the 5th Bomb Wing at Minot...

Maybe we should rename ourselves the United States of Cluster Bombs.

This week 111 nations gathered in Dublin to agree on a draft treaty banning these brutal weapons. But the US didn't even attend the talks. Neither did Russia, China, India, Pakistan or Israel. All these countries are big producers...

When it comes to nuclear weapons, ignorance is dangerous not blissful.

So let's test your basic nuclear knowledge.

Here's a little 30 second quiz I call "Four Questions and Four Numbers."

• How many nuclear weapons are there in the world? 26,000
• How many nuclear weapons are...

Nuclear weapons and terrorists have a lot in common.

They target civilians, killing indiscriminately.

They make us vulnerable because they strike, not on a battlefield, but where we live and work.

They intimidate through fear -- changing our behavior by their very existence.

They make us...

Many mothers and fathers can remember a time when one of their children opened a door of understanding for them.

Fifteen years ago, my son Isaac did me that service. A budding saxophonist, he is now studying jazz at the University of Auckland in New Zealand. But back in 1993,...

One event in 2008 is likely to have more bearing on the survival of the planet than any other. It is the election of the next president of the United States. His, or her, actions could create a dramatic change in US nuclear policy and international relations, and that, simply...

One of the secrets to living well is to find enjoyment in the everyday.

My father, Larry Crandell, is an expert at this. He incorporates playfulness into about every appropriate situation he can, and a number of inappropriate ones, too.

I wrote a book about Larry called Silver Tongue...

Silver Tongue--Secrets of Mr. Santa Barbara is a feel-good book for family-oriented people. The project began with the Devereux Foundation, which has served people with developmental disabilities at its Santa Barbara centre for more than 60 years. Devereux's then executive director, David Dennis, asked me to write a book about...